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Peri-operative chemotherapy for resectable colorectal lung metastasis: a systematic review and meta-analysis.

ABSTRACT: PURPOSE:Several studies have evaluated surgical resection of pulmonary metastases as a standard treatment option for colorectal cancer (CRC) patients with resectable pulmonary metastases. However, the role of peri-operative chemotherapy after complete resection of pulmonary metastases from CRC patients is still controversial. This systematic review and meta-analysis is aimed to investigate the clinical efficacy of peri-operative chemotherapy after resection of CRC pulmonary metastases. METHODS:PubMed, the Cochrane Library databases, and Embase were searched for studies evaluating the effect of peri-operative chemotherapy on the survival of patients with CRC after pulmonary metastasectomy. The hazard ratio (HR) was used for analyzing overall survival (OS) and progression-free survival (PFS)/recurrence-free survival (RFS)/disease-free survival (DFS). RESULTS:Eight studies were included in the final analysis. The outcome showed that peri-operative chemotherapy had a significant favourable effect on OS (HR 0.83, 95% CI 0.75-0.92, p?

SUBMITTER: Li Y

PROVIDER: S-EPMC7039839 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Peri-operative chemotherapy for resectable colorectal lung metastasis: a systematic review and meta-analysis.

Li Yuting Y Qin You Y

Journal of cancer research and clinical oncology 20200208 3

<h4>Purpose</h4>Several studies have evaluated surgical resection of pulmonary metastases as a standard treatment option for colorectal cancer (CRC) patients with resectable pulmonary metastases. However, the role of peri-operative chemotherapy after complete resection of pulmonary metastases from CRC patients is still controversial. This systematic review and meta-analysis is aimed to investigate the clinical efficacy of peri-operative chemotherapy after resection of CRC pulmonary metastases.<h ...[more]

PMID: 32036456

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Project description:BackgroundBranched-chain amino acids (BCAAs; leucine, isoleucine, and valine) are essential amino acids involved in immune responses, and may have roles in protein malnutrition and sarcopenia. Furthermore, certain liver diseases have been associated with a decreased Fischer's ratio (BCAAs to aromatic amino acids; phenylalanine, tyrosine, and tryptophan). We aimed to evaluate the safety and efficacy of BCAAs use in patients with cancer undergoing surgery.MethodsMEDLINE, Embase, and CENTRAL were searched (inception to July 24, 2020) for randomized controlled trials (RCTs) and comparative observational studies in English evaluating BCAAs (alone or in combinations) during the oncological peri-operative period. Study selection, data extraction, and quality appraisal were done in duplicate. RCT risk-of-bias was appraised using Cochrane Risk-of-Bias tool, and observational studies' quality assessment was conducted with Newcastle-Ottawa Scale. Meta-analyses were conducted when appropriate.Results20 articles were included comprising 13 RCTs and 6 observational cohort studies in 7 reports and 2019 total participants overall. Among 13 RCTs, 77% involved liver cancer. Methodological study quality scored substantial risk-of-bias across most RCTs. Meta-analysis of RCTs found a 38% decreased risk of post-operative infections in BCAAs group compared to controls (RR = 0.62; 95% CI = 0.44 to 0.87; P = .006; number of RCTs, k = 6; total sample size, N = 389; I2 = 0%). BCAAs were also found to be beneficial for ascites (RR = 0.55; 95% CI = 0.35 to 0.86; P = .008; k = 4; N = 296; I2 = 0%), body weight (MD = 3.24 kg; 95% CI = 0.44 to 6.04; P = .02; k = 3; N = 196; I2 = 24%), and hospitalization length (MD = -2.07 days; 95% CI = -3.97 to -0.17; P = .03; k = 5; N = 362; I2 = 59%). No differences were found between BCAAs and controls for mortality, recurrence, other post-operative complications (liver failure, edema, pleural effusion), blood loss, quality of life, ammonia level, and prothrombin time. No serious adverse events were related to BCAAs; however, serious adverse events were reported due to intravenous catheters. No safety concerns from observational studies were identified.ConclusionsBranched-chain amino acids during the oncological surgical period demonstrated promise in reducing important post-operative morbidity from infections and ascites compared to controls. Blinded, placebo-controlled confirmatory trials of higher methodological quality are warranted, especially using oral, short-term BCAAs-enriched supplements within the context of recent ERAS programs.Prospero registrationCRD42018086168.

Dataset Information

Peri-operative chemotherapy for resectable colorectal lung metastasis: a systematic review and meta-analysis.

Publications

Peri-operative chemotherapy for resectable colorectal lung metastasis: a systematic review and meta-analysis.

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